Maths Unit: Place Value to 30
This is a great visual unit for developing early concepts of place value through counting objects and recording them in their tens and ones groups. The unit explores how to count in groups of tens and ones. The unit also provides various hands-on worksheets to practise separating tens and ones using blocks and other visual examples as well as using tens and ones visuals to count numbers larger than 10. The unit also includes a quiz to test knowledge and understanding of place value at the conclusion of the unit.
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Learning goals
- We are learning to show that one- and two-digit numbers can be partitioned in different ways, such as partitioning two-digit numbers into tens and ones.
- We are learning to count collections of items (e.g. coins) and skip count by 5s or 10s to record how many in the collection.
- We are learning to count collections to 100 using place value groupings.
- We are learning to count collections to 20 and explain our reasons.
- We are learning to compare and order numbers to 20 using words such as ‘more’, ‘less’, ‘same’ or ‘first’, ‘second’, ‘third’.
Curriculum alignment
AC9M1N02
9
Partition one- and two-digit numbers in different ways using physical and virtual materials, including partitioning two-digit numbers into tens and ones
AC9M1N03
9
Quantify sets of objects, to at least 120, by partitioning collections into equal groups using number knowledge and skip counting
AC9MFN03
9
Quantify and compare collections to at least 20 using counting and explain or demonstrate reasoning
ACMNA014
8.4
Count collections to 100 by partitioning numbers using place value
ACMNA289
8.4
Compare, order and make correspondences between collections, initially to 20, and explain reasoning
MA1-1WM
old
Describes mathematical situations and methods using everyday and some mathematical language, actions, materials, diagrams and symbols
MA1-2WM
old
Uses objects, diagrams and technology to explore mathematical problems
MA1-3WM
old
Supports conclusions by explaining or demonstrating how answers were obtained
MA1-4NA
old
Applies place value, informally, to count, order, read and represent two- and three-digit numbers
MA1-6NA
old
Uses a range of mental strategies and concrete materials for multiplication and division
MA1-RWN-02
new
Reasons about representations of whole numbers to 1000, partitioning numbers to use and record quantity values
MA1-FG-01
new
Uses the structure of equal groups to solve multiplication problems, and shares or groups to solve division problems
MAE-RWN-02
new
Reads numerals and represents whole numbers to at least 20
VCMNA088
Count collections to 100 by partitioning numbers using place value
VCMNA086
Develop confidence with number sequences to and from 100 by ones from any starting point. Skip count by twos, fives and tens starting from zero
VCMNA072
Compare, order and make correspondences between collections, initially to 20, and explain reasoning
Australian Curriculum covers QLD / SA / WA / NT / TAS / ACT.
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